‘I’m going to tell the truth. Screw this!’ Billie Jean King at 82 on coming out, tearing up tennis – and her one big regret

She was the world No 1, whose fight for equal prize money changed women’s lives. As competitive as ever in her ninth decade, she discusses sexuality, tenacity and what it was like to finally graduate college this yearEvery day, Billie Jean King tries to come up with a “gratitude list” in her head, identifying the people who have played a…